21376910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24019}}^1$

素因数の和:24115

約数の個数: 16

約数和(自身を含む): 38912400

約数和(自身を除く): 17535490

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 24019, 48038, 120095, 240190, 2137691, 4275382, 10688455, 21376910]

約数ペア:

[(1, 21376910), (2, 10688455), (5, 4275382), (10, 2137691), (89, 240190), (178, 120095), (445, 48038), (890, 24019)]